package com.coolweather.android;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;

import com.coolweather.android.db.City;
import com.coolweather.android.db.County;
import com.coolweather.android.db.Province;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.litepal.crud.DataSupport;
import org.litepal.tablemanager.Connector;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class MainActivity1 extends AppCompatActivity {

    private static final int LEVEL_PROVINCE = 0;
    private static final int LEVEL_CITY = 1;
    private static final int LEVEL_COUNTY = 2;
    private ArrayAdapter<String> adapter;
    private List<Province> provinceList;
    private List<County> countyList;
    private List<City> cityList;
    private List<String> dataList = new ArrayList<>();
    private ListView list;
    private Province selectedProvince;
    City selectedCity;
    private int CurrLevel;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        list = (ListView) findViewById(R.id.list_province);
        adapter = new ArrayAdapter<>(MainActivity1.this,
                android.R.layout.simple_list_item_1,
                dataList);
        list.setAdapter(adapter);
        createBase();
        //DataSupport.deleteAll(Province.class);
/*
        queryProvinceData();
        dispProvinceData();
*/
        //DataSupport.deleteAll(City.class);
        dispProvinceData();
        list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                selectedProvince = provinceList.get(position);
                /*queryCityData();
                dispCityData();*/
                //dispCityData();
                if (CurrLevel == LEVEL_PROVINCE) {
                    dispCityData();
                } else if (CurrLevel == LEVEL_CITY) {
                    selectedCity=cityList.get(position);
                    dispCountyData();
                }else if(CurrLevel==LEVEL_COUNTY){
                    String weatherId = countyList.get(position).getWeatherId();
                    Intent intent = new Intent(MainActivity1.this, MainActivity2.class);
                    intent.putExtra("weather_id", weatherId);
                    startActivity(intent);
                    MainActivity1.this.finish();

                }
            }
        });

    }

    private void createBase() {
        Connector.getDatabase();
    }

    private void dispProvinceData() {
        provinceList = DataSupport.findAll(Province.class);
        Log.d("debug", String.valueOf(provinceList.size()));
        if (provinceList.size() > 0) {
            dataList.clear();
            for (Province province : provinceList) {
                dataList.add(province.getProvinceName());
            }
            adapter.notifyDataSetChanged();
            CurrLevel = LEVEL_PROVINCE;
        } else {
            queryDataFromServer("http://guolin.tech/api/china", "province");
        }
    }

    private void dispCityData() {
        cityList = DataSupport.where("provinceid=?",
                String.valueOf(selectedProvince.getProvinceCode())).find(City.class);
        Log.d("debug", String.valueOf(cityList.size()));
        if (cityList.size() > 0) {
            dataList.clear();
            for (City city : cityList) {
                dataList.add(city.getCityName());
            }
            adapter.notifyDataSetChanged();
            CurrLevel = LEVEL_CITY;
        } else {
            /*queryCityData();*/
            int provinceCode = selectedProvince.getProvinceCode();
            queryDataFromServer("http://guolin.tech/api/china/" + provinceCode, "city");
        }
    }

 /*   private void queryCityData() {
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    int provinceCode = selectedProvince.getProvinceCode();
                    OkHttpClient client = new OkHttpClient();
                    String address="http://guolin.tech/api/china/"+provinceCode;
                    Log.d("info",address);
                    Request request = new Request.Builder().url(address).build();
                    Response response = null;
                    response = client.newCall(request).execute();
                    String responseData = response.body().string();
                    Log.d("info", responseData);
                    JSONArray allCity = new JSONArray(responseData);
                    for (int i = 0; i < allCity.length(); i++) {
                        JSONObject cityObject = allCity.getJSONObject(i);
                        String CityName = cityObject.getString("name");
                        int CityCode = cityObject.getInt("id");
                        int CityId = cityObject.getInt("id");
                        City db = new City();
                        db.setCityName(CityName);
                        db.setCityCode(CityCode);
                        db.setProvinceId(provinceCode);
                        db.setId(CityId);
                        db.save();
                    }
                } catch (IOException | JSONException e) {
                    e.printStackTrace();
                }
            }
        }).start();
    }

    private void queryProvinceData() {
        new Thread(new Runnable() {
            @Override
            public void run() {
                Log.d("info", "enter");
                try {
                    OkHttpClient client = new OkHttpClient();
                    Request request = new Request.Builder().url("http://guolin.tech/api/china").build();
                    Response response = null;
                    Log.d("info", "enter2");
                    response = client.newCall(request).execute();
                    String responseData = response.body().string();
                    Log.d("info", responseData);
                    JSONArray allProvinces = new JSONArray(responseData);
                    for (int i = 0; i < allProvinces.length(); i++) {
                        JSONObject provinceObject = allProvinces.getJSONObject(i);
                        String provinceName = provinceObject.getString("name");
                        int provinceCode = provinceObject.getInt("id");
                        int provinceId = provinceObject.getInt("id");
                        Log.d("info", provinceName);
                        Province db = new Province();
                        db.setProvinceName(provinceName);
                        db.setProvinceCode(provinceCode);
                        db.setId(provinceId);
                        db.save();
                    }
                } catch (IOException | JSONException e) {
                    e.printStackTrace();
                }
            }
        }).start();
    }*/

    /*private void dispCountyData() {
        countyList = DataSupport.where("cityid=?",
                String.valueOf(selectedCity.getCityCode())).find(County.class);
        Log.d("debug", String.valueOf(countyList.size()));
        if (countyList.size() > 0) {
            dataList.clear();
            for (County county : countyList) {
                dataList.add(county.getCountyName());
            }
            adapter.notifyDataSetChanged();
            CurrLevel = LEVEL_COUNTY;
        } else {
            *//*queryCityData();*//*
            int provinceCode = selectedProvince.getProvinceCode();
            int cityCode = selectedCity.getCityCode();
            queryDataFromServer("http://guolin.tech/api/china/" + provinceCode + "/" + cityCode, "county");
        }
    }*/
    private void dispCountyData(){
        countyList = DataSupport.where("cityid=?",
                String.valueOf(selectedCity.getCityCode())).find(
                County.class);
        Log.d("cityid",
                String.valueOf(selectedCity.getCityCode()));
        if (countyList.size() > 0) {
            dataList.clear();
            for (County County : countyList) {
                dataList.add(County.getCountyName());
            }
            adapter.notifyDataSetChanged();
            CurrLevel=LEVEL_COUNTY;
        }
        else{
            int provinceCode =
                    selectedProvince.getProvinceCode();
            int cityCode=selectedCity.getCityCode();
            String address="http://guolin.tech/api/china/"+provinceCode+"/"+cityCode;
            queryDataFromServer(address,"county");
//queryCityData();
        }
    }

    private void queryDataFromServer(final String address, final String type) {
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    OkHttpClient client = new OkHttpClient();
                    Request request = new Request.Builder().url(address).build();
                    Response response = null;
                    response = client.newCall(request).execute();
                    String responseData = response.body().string();
                    Log.d("responseData", responseData);
                    if ("province".equals(type)) {
                        parseProvinceData(responseData);
                    } else if ("city".equals(type)) {
                        parseCityData(responseData);
                    } else if ("county".equals(type)) {
                        parseCountyData(responseData);
                    }

                } catch (IOException | JSONException e) {
                    e.printStackTrace();
                }
            }
        }).start();
    }

    private void parseProvinceData(String responseData) throws JSONException {
        JSONArray allProvinces = new JSONArray(responseData);
        for (int i = 0; i < allProvinces.length(); i++) {
            JSONObject provinceObject = allProvinces.getJSONObject(i);
            String provinceName = provinceObject.getString("name");
            int provinceCode = provinceObject.getInt("id");
            int provinceId = provinceObject.getInt("id");
            Log.d("info", provinceName);
            Province db = new Province();
            db.setProvinceName(provinceName);
            db.setProvinceCode(provinceCode);
            db.setId(provinceId);
            db.save();
        }
    }

    private void parseCityData(String responseData) throws JSONException {
        int provinceCode = selectedProvince.getProvinceCode();
        JSONArray allCity = new JSONArray(responseData);
        for (int i = 0; i < allCity.length(); i++) {
            JSONObject cityObject = allCity.getJSONObject(i);
            String CityName = cityObject.getString("name");
            int CityCode = cityObject.getInt("id");
            int CityId = cityObject.getInt("id");
            City db = new City();
            db.setCityName(CityName);
            db.setCityCode(CityCode);
            db.setProvinceId(provinceCode);
            db.setId(CityId);
            db.save();
        }
    }

    /*private void parseCountyData(String responseData) throws JSONException {
        int CityCode = selectedProvince.getProvinceCode();
        JSONArray allCounty = new JSONArray(responseData);
        for (int i = 0; i < allCounty.length(); i++) {
            JSONObject countyObject = allCounty.getJSONObject(i);
            String CountyName = countyObject.getString("name");
            String weather_id=countyObject.getString("weather_id");
            int CountyId = countyObject.getInt("id");
            County db = new County();
            db.setCountyName(CountyName);
            db.setWeatherId(weather_id);
            db.setId(CountyId);
            db.save();
        }
    }*/

    private void parseCountyData(String responseData) throws JSONException {
        int cityCode = selectedCity.getCityCode();
        Log.d("parseCountyData", responseData);
        JSONArray allCounty = new
                JSONArray(responseData);
        for (int i = 0; i < allCounty.length(); i++) {
            JSONObject countyObject =
                    allCounty.getJSONObject(i);
            String CountyName =
                    countyObject.getString("name");
            int Countyid = countyObject.getInt("id");
            String weather_id =
                    countyObject.getString("weather_id");
            County db = new County();
            db.setCityId(cityCode);
            db.setCountyName(CountyName);
            db.setWeatherId(weather_id);
            db.setId(Countyid);
            db.save();
        }
    }
}